To add SEI to MetaMask, you manually enter the SEI network’s RPC settings, including the network name, RPC URL, chain ID, currency symbol, and block explorer. Once added, MetaMask can connect to SEI’s EVM layer, allowing you to send SEI, interact with SEI dApps, and view bridged assets.
SEI EVM RPC Settings (Mainnet)
Use these settings to add SEI to MetaMask:
Network Name:
SEI Mainnet
RPC URL:
Chain ID:
1329
Currency Symbol:
SEI
Block Explorer URL:
If an RPC endpoint becomes unavailable, SEI provides backups. These settings reflect standard EVM RPC support.
Step-by-Step: How to Add SEI to MetaMask
Step 1 — Open MetaMask
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Open your MetaMask extension
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Click your account icon (top-right)
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Select Settings
Step 2 — Go to Networks
Inside MetaMask:
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Click Settings
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Select Networks
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Click Add a Network
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Choose Add a network manually
This opens the custom RPC form.
Step 3 — Enter SEI RPC Network Details
Paste the following fields:
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Network Name: SEI Mainnet
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RPC URL: https://evm-rpc.sei-apis.com
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Chain ID: 1329
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Currency Symbol: SEI
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Block Explorer URL: https://seiscan.app
Double-check for typos — the RPC URL and chain ID must be correct.
Step 4 — Save & Switch to SEI Network
Click Save.
MetaMask will automatically switch to:
SEI Mainnet
You should now see:
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your SEI balance
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SEI-compatible tokens
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SEI dApps working in MetaMask
Step 5 — Add SEI Token (Optional)
If your SEI is not displayed:
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Click Import Tokens
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Enter SEI contract address (SEI is native — not ERC-20)
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For bridged assets (USDC, wETH, etc.), paste their token contract address into MetaMask.
Each bridge (Axelar, LayerZero, Wormhole) may use different wrapped addresses.
How to Add SEI Testnet to MetaMask (Optional)
Use these settings for testing:
Network Name:
SEI Testnet
RPC URL:
https://evm-rpc-testnet.sei-apis.com
Chain ID:
1328
Currency Symbol:
SEI
Block Explorer:
Troubleshooting: Common Issues
1. “Chain ID already exists”
You may have:
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added a duplicate RPC
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installed a wallet that added SEI automatically
Delete the old network under Settings → Networks.
2. “Could not fetch chain ID”
RPC is temporarily unavailable. Try another provider or retry in a few seconds.
3. Tokens not showing up
Click Import Token and paste the contract address.
4. Wrong network selected
Make sure MetaMask says:
SEI Mainnet
Conclusion
Adding SEI to MetaMask is simple: just enter the correct RPC settings, save the network, and you’re ready to interact with SEI’s high-performance EVM ecosystem.
Once connected, you can store SEI, interact with dApps, bridge assets, stake tokens, and explore the SEI ecosystem from MetaMask.
With SEI added to MetaMask, you're fully equipped to use SEI’s fast, trading-optimized blockchain.